...it's worth noting that if you use certain treatments (apistan, checkmite, fumidil, terramycin, thymol (because of the smell), you should not be swapping frames and boxes between "brood" and "supers". if you plan to use such treatments, it will probably help to use different depth boxes...otherwise you either violate the label on many treatments (and the trust of your customers), or you spend a lot of effort keeping things marked and separate.
deknow